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Earthquake: Cardiff, Caerphilly and valleys feel tremors Earthquake: Brynmawr, Cardiff and valleys feel tremors
(32 minutes later)
The epicentre of the earthquake was west of Crickhowell, Powys The epicentre of the earthquake was just north of Brynmawr, Blaenau Gwent
An earthquake has shaken parts of Wales overnight.An earthquake has shaken parts of Wales overnight.
The British Geological Survey (BGS) said the 3.7 magnitude quake happened at 23:59 GMT on Friday, with the epicentre just west of Crickhowell, Powys. The British Geological Survey (BGS) said the 3.7 magnitude quake happened at 23:59 GMT on Friday. The epicentre was just north of Brynmawr, Blaenau Gwent, and west of Crickhowell, Powys.
BBC journalist Alex Humphreys said she felt the "mini earthquake" in Cardiff, almost 30 miles away. BBC journalist Alex Humphreys said she felt the "mini earthquake" in Cardiff, 30 miles (50km) away.
"My whole bed shook," she tweeted. Others have described it as a "pretty scary" experience. Gwent Police said it had received "multiple calls" overnight but it was "business as usual" for the force.
The BGS said the earthquake was 1.2 miles (2km) under the Earth's surface. The BGS said the earthquake was 1.8 miles (3km) under the Earth's surface.
The largest earthquake ever recorded in the UK happened on the Llyn Peninsula, Gwynedd, in 1984, measuring 5.4 - it began at a depth of more than 12 miles (20km) and created a shock wave that could easily have caused major structural damage. "My whole bed shook," Ms Humphreys tweeted. Others described it as a "scary" experience.
The BGS said smaller quakes are not unusual in Wales, with 70 measuring more than 3.5 between 1727 and 1984. The largest earthquake ever recorded in the UK was in the North Sea on 7 June 1931, with a magnitude of 6.1.
Google reported the earthquake happened just before midnight The epicentre was in the Dogger Bank area, 75 miles (120km) north-east of Great Yarmouth, Norfolk.
Wales' most powerful quake was on the Llyn Peninsula, Gwynedd, in 1984.
Measuring 5.4, it began at a depth of more than 12 miles (20km) and created a shock wave that could easily have caused major structural damage.
The BGS said smaller quakes were not unusual in Wales, with 70 measuring more than 3.5 between 1727 and 1984.
Listeners told BBC Radio Wales Breakfast that they felt the "earth shake" in Ebbw Vale, which brought people out of their homes and into the streets.
Elsewhere, Cat said she "thought we were going mad" in Blaenavon, Torfaen, as her "bed and house shook side to side".
"My husband ran downstairs to see what was going on," she told the programme.
The British Geological Survey said the quake's epicentre was just north of Brynmawr and west of Crickhowell
Related TopicsRelated Topics
Blaenavon
Ebbw Vale
CrickhowellCrickhowell
Brynmawr
CardiffCardiff
EarthquakesEarthquakes